/*
 * Copyright 2013 Cloudera Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.ngdata.hbaseindexer.morphline;

import java.util.ArrayList;
import java.util.Collection;

import org.kitesdk.morphline.api.MorphlineContext;
import com.ngdata.hbaseindexer.parse.ByteArrayExtractor;

/**
 * A context that is specific to HBase.
 */
final class HBaseMorphlineContext extends MorphlineContext {

    private final Collection<ByteArrayExtractor> extractors = new ArrayList();

    /** For public access use {@link Builder#build()} instead */
    protected HBaseMorphlineContext() {
    }

    public Collection<ByteArrayExtractor> getExtractors() {
        return extractors;
    }

    // /////////////////////////////////////////////////////////////////////////////
    // Nested classes:
    // /////////////////////////////////////////////////////////////////////////////
    /**
     * Helper to construct a {@link HBaseMorphlineContext} instance.
     */
    public static class Builder extends MorphlineContext.Builder {

        public Builder() {
        }

        @Override
        public HBaseMorphlineContext build() {
            return (HBaseMorphlineContext)super.build();
        }

        @Override
        protected HBaseMorphlineContext create() {
            return new HBaseMorphlineContext();
        }

    }

}
